package com.ruan.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;

/**
 * 阿里云 OSS 工具类
 */
@Component//utils既不属于service层也不属于controller层
public class AliOSSUtils {

//    @Value("${aliyun.oss.endpoint}")
//    private String endpoint ;
//    @Value("${aliyun.oss.accessKeyId}")
//    private String accessKeyId ;
//    @Value("${aliyun.oss.accessKeySecret}")
//    private String accessKeySecret ;
//    @Value("${aliyun.oss.bucketName}")
//    private String bucketName ;
//    @Autowired
//    private FileCloudService fileCloudService;
    @Autowired
    private AliOSSProperties aliOSSProperties;

    /**
     * 实现上传图片到OSS
     */
    public String upload(MultipartFile file,
                         Long projectId,
                         Long employeeId) throws IOException {
//        System.out.println("upload传来的参数是：file:"+
//                file+"projectId:"+
//                projectId+"employeeId:"+employeeId);

//        FileCloudEntity fileCloudEntity = new FileCloudEntity();
//        fileCloudEntity.setFileName(file.getOriginalFilename());
//        fileCloudEntity.setEmployeeId(employeeId);//组长上传给谁的
//        fileCloudEntity.setProjectId(projectId);//该项目的组员可以查看该项目
//        fileCloudService.save(fileCloudEntity);//存入数据库，要的时候组长再根据这个下载
        //获取阿里云OSS参数
        String endpoint = aliOSSProperties.getEndpoint();
        String accessKeyId = aliOSSProperties.getAccessKeyId();
        String accessKeySecret = aliOSSProperties.getAccessKeySecret();
        String bucketName = aliOSSProperties.getBucketName();

        // 获取上传的文件的输入流
        InputStream inputStream = file.getInputStream();

        // 避免文件(重名)覆盖
        String originalFilename = file.getOriginalFilename();
        String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));
//        System.out.println("fileName是"+fileName);
        //上传文件到 OSS
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        ossClient.putObject(bucketName, fileName, inputStream);

        //文件访问路径
        String url = endpoint.split("//")[0] + "//" + bucketName + "." + endpoint.split("//")[1] + "/" + fileName;
//        System.out.println("url是"+url);
        // 关闭ossClient
        ossClient.shutdown();
        return url;// 把上传到oss的路径返回
    }

}
